Chore: Fix up various linting issues

In prep to add golangci-lint, fix various linting issues.
* Make the `kvm` package a fully-qualified public package.

Signed-off-by: SuperQ <superq@gmail.com>

cloud.go

@@ -150,7 +150,7 @@ func runWebsocketClient() error {
 	if err != nil {
 		return err
 	}
-	defer c.CloseNow()
+	defer c.CloseNow() //nolint:errcheck
 	cloudLogger.Infof("websocket connected to %s", wsURL)
 	runCtx, cancelRun := context.WithCancel(context.Background())
 	defer cancelRun()

cmd/main.go

@@ -1,7 +1,7 @@
 package main
 
 import (
-	"kvm"
+	"github.com/jetkvm/kvm"
 )
 
 func main() {

go.mod

@@ -1,4 +1,4 @@
-module kvm
+module github.com/jetkvm/kvm
 
 go 1.21.0
 

hw.go

@@ -14,7 +14,7 @@ func extractSerialNumber() (string, error) {
 		return "", err
 	}
 
-	r, err := regexp.Compile("Serial\\s*:\\s*(\\S+)")
+	r, err := regexp.Compile(`Serial\s*:\s*(\S+)`)
 	if err != nil {
 		return "", fmt.Errorf("failed to compile regex: %w", err)
 	}
@@ -27,7 +27,7 @@ func extractSerialNumber() (string, error) {
 	return matches[1], nil
 }
 
-func readOtpEntropy() ([]byte, error) {
+func readOtpEntropy() ([]byte, error) { //nolint:unused
 	content, err := os.ReadFile("/sys/bus/nvmem/devices/rockchip-otp0/nvmem")
 	if err != nil {
 		return nil, err

main.go

@@ -49,7 +49,7 @@ func Main() {
 		time.Sleep(15 * time.Minute)
 		for {
 			logger.Debugf("UPDATING - Auto update enabled: %v", config.AutoUpdateEnabled)
-			if config.AutoUpdateEnabled == false {
+			if !config.AutoUpdateEnabled {
 				return
 			}
 			if currentSession != nil {

native.go

@@ -13,6 +13,8 @@ import (
 	"syscall"
 	"time"
 
+	"github.com/jetkvm/kvm/resource"
+
 	"github.com/pion/webrtc/v4/pkg/media"
 )
 
@@ -90,8 +92,8 @@ func WriteCtrlMessage(message []byte) error {
 	return err
 }
 
-var nativeCtrlSocketListener net.Listener
-var nativeVideoSocketListener net.Listener
+var nativeCtrlSocketListener net.Listener  //nolint:unused
+var nativeVideoSocketListener net.Listener //nolint:unused
 
 var ctrlClientConnected = make(chan struct{})
 

remote_mount.go

@@ -49,7 +49,7 @@ func (w *WebRTCDiskReader) Read(ctx context.Context, offset int64, size int64) (
 	if err != nil {
 		return nil, err
 	}
-	buf := make([]byte, 0)
+	var buf []byte
 	for {
 		select {
 		case data := <-diskReadChan:

terminal.go

@@ -55,12 +55,14 @@ func handleTerminalChannel(d *webrtc.DataChannel) {
 			var size TerminalSize
 			err := json.Unmarshal([]byte(msg.Data), &size)
 			if err == nil {
-				pty.Setsize(ptmx, &pty.Winsize{
+				err = pty.Setsize(ptmx, &pty.Winsize{
 					Rows: uint16(size.Rows),
 					Cols: uint16(size.Cols),
 				})
+				if err == nil {
 					return
 				}
+			}
 			logger.Errorf("Failed to parse terminal size: %v", err)
 		}
 		_, err := ptmx.Write(msg.Data)
@@ -74,7 +76,7 @@ func handleTerminalChannel(d *webrtc.DataChannel) {
 			ptmx.Close()
 		}
 		if cmd != nil && cmd.Process != nil {
-			cmd.Process.Kill()
+			_ = cmd.Process.Kill()
 		}
 	})
 }

wol.go

@@ -43,7 +43,7 @@ func createMagicPacket(mac net.HardwareAddr) []byte {
 
 	// Write the target MAC address 16 times
 	for i := 0; i < 16; i++ {
-		binary.Write(&buf, binary.BigEndian, mac)
+		_ = binary.Write(&buf, binary.BigEndian, mac)
 	}
 
 	return buf.Bytes()